Update dependency @docusaurus/preset-classic to v3

Author: dev-mend-for-github-com[bot]

website/package.json

@@ -11,7 +11,7 @@
     "dependencies": {
         "@docusaurus/core": "^2.0.0-alpha.64",
         "@docusaurus/plugin-google-analytics": "^2.0.0-alpha.64",
-        "@docusaurus/preset-classic": "^2.0.0-alpha.64",
+        "@docusaurus/preset-classic": "^3.0.0",
         "classnames": "^2.2.6",
         "react": "^16.8.4",
         "react-dom": "^16.8.4",